問題詳情

(b) Determine whether the set W of all 2 × 2 symmetric matrices is a vector subspace of

. Is it afinite-dimensional vector subspace? 

參考答案

答案：A
難度：簡單0.754801
統計：A(511),B(69),C(70),D(27),E(0) #
個人：尚未作答書單：101桃園3、公民文化

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65=1*65=5*132n-5=1 n=3